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  1. D

    Meiosis help

    Plenty of information on the stages can be found online tho :p
  2. D

    Meiosis help

    Yeah what Queenroot said is right. You dont needa know the stages maybe just the interphase and metaphase as well as cytokinesis. But from what i remember: Interphase I is the stage where chromosomes duplicate. Metaphase is when the the chromosomes align themselves in such a way so that they are...
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    Museum of human disease

    Thank you guys in advanced :)
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    Museum of human disease

    Hey guys I am going on an excursion to the Museum of Human Disease. All i am given is: "Search for Better Health-to provide activities that can not be done in the classroom".. should i ask the teacher what will the assessed dotpoints on the day? Also, have any of you guys been there already? If...
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    Should I keep Chemistry?? Help!

    There is no such thing as scaling higher
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    Red-Green colour blindness

    So a red or a green cone must be present or functioning with the other being not?
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    HSC 2012-2015 Chemistry Marathon (archive)

    re: HSC Chemistry Marathon Archive I would just use pen but if u are really afraid that you would make a big mistake, use a 2B pencil as they are dark enough to be seen after scanning
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    Red-Green colour blindness

    For red- green colour blindness, is one red or green cones absent or both red and green cones are absent?
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    HSC Biology Marathon 2015

    Nop. Aminocyl- tRNA synthetase binds an amino acid to the tRNA with the specific anticondon. The tRNA joins its anticodon with the corresponding codon of the mRNA and this process repeats with the amino acid molecule(s) being transferred from the previous tRNA to the next
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    HSC Biology Marathon 2015

    Well the question is wrong in the first place.. mRNA does not get translated into amino acids and the number of amino acids that a mRNA strand codes for depends on the no. of codons that it has
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    HSC Biology Marathon 2015

    Is that the exact wording of the question that u posted?
  12. D

    titration - taking average results

    Thanks you :D
  13. D

    titration - taking average results

    This was what i was thinking when i looked at the question :)
  14. D

    titration - taking average results

    Yeah in this case the 2nd titration seems to be an outlier do i still include it for my averaging?
  15. D

    HSC Biology Marathon 2015

    Which year?
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    titration - taking average results

    Btw, 0.3, 0.35 and 0.3 are in millitres but that is not necessary to answer my question :p
  17. D

    titration - taking average results

    25ml of an uunknown conc. soln is titrated against a known 0.22 mol/L NaOH. We are given that 0.3, 0.35 and 0.3 of NaOH are used in the 1st, 2nd and third titration respectively. Calculate the unknown acid conc. So to find the volume of NaOH used, do i take the average of 0.3, 0.35 and 0.3...
  18. D

    reaĺly really quick question :D

    If this question appears in the exam, i would go for 18 years. But i usually round up for this type of question. I am still confused
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